diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 63207803e327f..468d034e635ff 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -2674,11 +2674,16 @@ fn add_apple_sdk(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor) { let os = &sess.target.os; let llvm_target = &sess.target.llvm_target; if sess.target.vendor != "apple" - || !matches!(os.as_ref(), "ios" | "tvos" | "watchos") + || !matches!(os.as_ref(), "ios" | "tvos" | "watchos" | "macos") || (flavor != LinkerFlavor::Gcc && flavor != LinkerFlavor::Lld(LldFlavor::Ld64)) { return; } + + if os == "macos" && flavor != LinkerFlavor::Lld(LldFlavor::Ld64) { + return; + } + let sdk_name = match (arch.as_ref(), os.as_ref()) { ("aarch64", "tvos") => "appletvos", ("x86_64", "tvos") => "appletvsimulator", @@ -2694,6 +2699,7 @@ fn add_apple_sdk(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor) { ("aarch64", "watchos") if llvm_target.ends_with("-simulator") => "watchsimulator", ("aarch64", "watchos") => "watchos", ("arm", "watchos") => "watchos", + (_, "macos") => "macosx", _ => { sess.err(&format!("unsupported arch `{}` for os `{}`", arch, os)); return; diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 7f2e81a71a93d..cc55b7e8611af 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1513,6 +1513,10 @@ pub trait PrettyPrinter<'tcx>: } return Ok(self); } + (ty::ValTree::Leaf(leaf), ty::Ref(_, inner_ty, _)) => { + p!(write("&")); + return self.pretty_print_const_scalar_int(leaf, *inner_ty, print_ty); + } (ty::ValTree::Leaf(leaf), _) => { return self.pretty_print_const_scalar_int(leaf, ty, print_ty); } diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs index 577126a95cc8c..639ce64a9f557 100644 --- a/compiler/rustc_target/src/abi/call/mod.rs +++ b/compiler/rustc_target/src/abi/call/mod.rs @@ -14,7 +14,6 @@ mod m68k; mod mips; mod mips64; mod msp430; -mod nvptx; mod nvptx64; mod powerpc; mod powerpc64; @@ -702,7 +701,6 @@ impl<'a, Ty> FnAbi<'a, Ty> { "msp430" => msp430::compute_abi_info(self), "sparc" => sparc::compute_abi_info(cx, self), "sparc64" => sparc64::compute_abi_info(cx, self), - "nvptx" => nvptx::compute_abi_info(self), "nvptx64" => { if cx.target_spec().adjust_abi(abi) == spec::abi::Abi::PtxKernel { nvptx64::compute_ptx_kernel_abi_info(cx, self) diff --git a/compiler/rustc_target/src/abi/call/nvptx.rs b/compiler/rustc_target/src/abi/call/nvptx.rs deleted file mode 100644 index 428dd95bbcd65..0000000000000 --- a/compiler/rustc_target/src/abi/call/nvptx.rs +++ /dev/null @@ -1,33 +0,0 @@ -// Reference: PTX Writer's Guide to Interoperability -// https://docs.nvidia.com/cuda/ptx-writers-guide-to-interoperability - -use crate::abi::call::{ArgAbi, FnAbi}; - -fn classify_ret(ret: &mut ArgAbi<'_, Ty>) { - if ret.layout.is_aggregate() && ret.layout.size.bits() > 32 { - ret.make_indirect(); - } else { - ret.extend_integer_width_to(32); - } -} - -fn classify_arg(arg: &mut ArgAbi<'_, Ty>) { - if arg.layout.is_aggregate() && arg.layout.size.bits() > 32 { - arg.make_indirect(); - } else { - arg.extend_integer_width_to(32); - } -} - -pub fn compute_abi_info(fn_abi: &mut FnAbi<'_, Ty>) { - if !fn_abi.ret.is_ignore() { - classify_ret(&mut fn_abi.ret); - } - - for arg in &mut fn_abi.args { - if arg.is_ignore() { - continue; - } - classify_arg(arg); - } -} diff --git a/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs b/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs index 9d36e37d7b82e..6d919a4c2ad2e 100644 --- a/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs @@ -1,20 +1,20 @@ -use crate::spec::{FramePointer, LinkerFlavor, SanitizerSet, Target, TargetOptions}; +use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub fn target() -> Target { - let mut base = super::apple_base::opts("macos"); + let arch = "arm64"; + let mut base = super::apple_base::opts("macos", arch, ""); base.cpu = "apple-a14".into(); base.max_atomic_width = Some(128); // FIXME: The leak sanitizer currently fails the tests, see #88132. base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::CFI | SanitizerSet::THREAD; - base.add_pre_link_args(LinkerFlavor::Gcc, &["-arch", "arm64"]); base.link_env_remove.to_mut().extend(super::apple_base::macos_link_env_remove()); // Clang automatically chooses a more specific target based on // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work // correctly, we do too. - let llvm_target = super::apple_base::macos_llvm_target("arm64"); + let llvm_target = super::apple_base::macos_llvm_target(arch); Target { llvm_target: llvm_target.into(), diff --git a/compiler/rustc_target/src/spec/apple_base.rs b/compiler/rustc_target/src/spec/apple_base.rs index 15e4fb9be6303..db38ff50c7878 100644 --- a/compiler/rustc_target/src/spec/apple_base.rs +++ b/compiler/rustc_target/src/spec/apple_base.rs @@ -1,8 +1,45 @@ use std::{borrow::Cow, env}; -use crate::spec::{cvs, FramePointer, LldFlavor, SplitDebuginfo, TargetOptions}; +use crate::spec::{cvs, FramePointer, SplitDebuginfo, TargetOptions}; +use crate::spec::{LinkArgs, LinkerFlavor, LldFlavor}; + +fn pre_link_args(os: &'static str, arch: &'static str, abi: &'static str) -> LinkArgs { + let mut args = LinkArgs::new(); + + let platform_name = match abi { + "sim" => format!("{}-simulator", os), + "macabi" => "mac-catalyst".to_string(), + _ => os.to_string(), + }; + + let platform_version = match os.as_ref() { + "ios" => ios_lld_platform_version(), + "tvos" => tvos_lld_platform_version(), + "watchos" => watchos_lld_platform_version(), + "macos" => macos_lld_platform_version(arch), + _ => unreachable!(), + }; + + if abi != "macabi" { + args.insert(LinkerFlavor::Gcc, vec!["-arch".into(), arch.into()]); + } + + args.insert( + LinkerFlavor::Lld(LldFlavor::Ld64), + vec![ + "-arch".into(), + arch.into(), + "-platform_version".into(), + platform_name.into(), + platform_version.clone().into(), + platform_version.into(), + ], + ); + + args +} -pub fn opts(os: &'static str) -> TargetOptions { +pub fn opts(os: &'static str, arch: &'static str, abi: &'static str) -> TargetOptions { // ELF TLS is only available in macOS 10.7+. If you try to compile for 10.6 // either the linker will complain if it is used or the binary will end up // segfaulting at runtime when run on 10.6. Rust by default supports macOS @@ -24,6 +61,7 @@ pub fn opts(os: &'static str) -> TargetOptions { // macOS has -dead_strip, which doesn't rely on function_sections function_sections: false, dynamic_linking: true, + pre_link_args: pre_link_args(os, arch, abi), linker_is_gnu: false, families: cvs!["unix"], is_like_osx: true, @@ -73,6 +111,11 @@ fn macos_deployment_target(arch: &str) -> (u32, u32) { .unwrap_or_else(|| macos_default_deployment_target(arch)) } +fn macos_lld_platform_version(arch: &str) -> String { + let (major, minor) = macos_deployment_target(arch); + format!("{}.{}", major, minor) +} + pub fn macos_llvm_target(arch: &str) -> String { let (major, minor) = macos_deployment_target(arch); format!("{}-apple-macosx{}.{}.0", arch, major, minor) @@ -109,7 +152,7 @@ pub fn ios_llvm_target(arch: &str) -> String { format!("{}-apple-ios{}.{}.0", arch, major, minor) } -pub fn ios_lld_platform_version() -> String { +fn ios_lld_platform_version() -> String { let (major, minor) = ios_deployment_target(); format!("{}.{}", major, minor) } @@ -123,7 +166,7 @@ fn tvos_deployment_target() -> (u32, u32) { deployment_target("TVOS_DEPLOYMENT_TARGET").unwrap_or((7, 0)) } -pub fn tvos_lld_platform_version() -> String { +fn tvos_lld_platform_version() -> String { let (major, minor) = tvos_deployment_target(); format!("{}.{}", major, minor) } @@ -132,7 +175,7 @@ fn watchos_deployment_target() -> (u32, u32) { deployment_target("WATCHOS_DEPLOYMENT_TARGET").unwrap_or((5, 0)) } -pub fn watchos_lld_platform_version() -> String { +fn watchos_lld_platform_version() -> String { let (major, minor) = watchos_deployment_target(); format!("{}.{}", major, minor) } diff --git a/compiler/rustc_target/src/spec/apple_sdk_base.rs b/compiler/rustc_target/src/spec/apple_sdk_base.rs index d77558f0f8429..bf3ebaa2840f6 100644 --- a/compiler/rustc_target/src/spec/apple_sdk_base.rs +++ b/compiler/rustc_target/src/spec/apple_sdk_base.rs @@ -1,4 +1,4 @@ -use crate::spec::{cvs, LinkArgs, LinkerFlavor, LldFlavor, TargetOptions}; +use crate::spec::{cvs, TargetOptions}; use std::borrow::Cow; use Arch::*; @@ -61,53 +61,13 @@ fn link_env_remove(arch: Arch) -> Cow<'static, [Cow<'static, str>]> { } } -fn pre_link_args(os: &'static str, arch: Arch) -> LinkArgs { - let mut args = LinkArgs::new(); - - let target_abi = target_abi(arch); - - let platform_name = match target_abi { - "sim" => format!("{}-simulator", os), - "macabi" => "mac-catalyst".to_string(), - _ => os.to_string(), - }; - - let platform_version = match os.as_ref() { - "ios" => super::apple_base::ios_lld_platform_version(), - "tvos" => super::apple_base::tvos_lld_platform_version(), - "watchos" => super::apple_base::watchos_lld_platform_version(), - _ => unreachable!(), - }; - - let arch_str = target_arch_name(arch); - - if target_abi != "macabi" { - args.insert(LinkerFlavor::Gcc, vec!["-arch".into(), arch_str.into()]); - } - - args.insert( - LinkerFlavor::Lld(LldFlavor::Ld64), - vec![ - "-arch".into(), - arch_str.into(), - "-platform_version".into(), - platform_name.into(), - platform_version.clone().into(), - platform_version.into(), - ], - ); - - args -} - pub fn opts(os: &'static str, arch: Arch) -> TargetOptions { TargetOptions { abi: target_abi(arch).into(), cpu: target_cpu(arch).into(), dynamic_linking: false, - pre_link_args: pre_link_args(os, arch), link_env_remove: link_env_remove(arch), has_thread_local: false, - ..super::apple_base::opts(os) + ..super::apple_base::opts(os, target_arch_name(arch), target_abi(arch)) } } diff --git a/compiler/rustc_target/src/spec/i686_apple_darwin.rs b/compiler/rustc_target/src/spec/i686_apple_darwin.rs index 1718bd77b868f..5e9ceb844f73c 100644 --- a/compiler/rustc_target/src/spec/i686_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/i686_apple_darwin.rs @@ -1,7 +1,8 @@ use crate::spec::{FramePointer, LinkerFlavor, StackProbeType, Target, TargetOptions}; pub fn target() -> Target { - let mut base = super::apple_base::opts("macos"); + // ld64 only understand i386 and not i686 + let mut base = super::apple_base::opts("macos", "i386", ""); base.cpu = "yonah".into(); base.max_atomic_width = Some(64); base.add_pre_link_args(LinkerFlavor::Gcc, &["-m32"]); diff --git a/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs b/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs index dbd26899c1899..176c9dd6b764b 100644 --- a/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs @@ -2,11 +2,12 @@ use crate::spec::TargetOptions; use crate::spec::{FramePointer, LinkerFlavor, SanitizerSet, StackProbeType, Target}; pub fn target() -> Target { - let mut base = super::apple_base::opts("macos"); + let arch = "x86_64"; + let mut base = super::apple_base::opts("macos", arch, ""); base.cpu = "core2".into(); base.max_atomic_width = Some(128); // core2 support cmpxchg16b base.frame_pointer = FramePointer::Always; - base.add_pre_link_args(LinkerFlavor::Gcc, &["-m64", "-arch", "x86_64"]); + base.add_pre_link_args(LinkerFlavor::Gcc, &["-m64"]); base.link_env_remove.to_mut().extend(super::apple_base::macos_link_env_remove()); // don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved base.stack_probes = StackProbeType::Call; @@ -16,7 +17,6 @@ pub fn target() -> Target { // Clang automatically chooses a more specific target based on // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work // correctly, we do too. - let arch = "x86_64"; let llvm_target = super::apple_base::macos_llvm_target(&arch); Target { diff --git a/compiler/rustc_typeck/src/check/demand.rs b/compiler/rustc_typeck/src/check/demand.rs index 0595b9a73bed5..bac0be44aa9a2 100644 --- a/compiler/rustc_typeck/src/check/demand.rs +++ b/compiler/rustc_typeck/src/check/demand.rs @@ -598,13 +598,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; let self_ty = self.typeck_results.borrow().expr_ty(&method_expr[0]); - let self_ty = format!("{:?}", self_ty); let name = method_path.ident.name; - let is_as_ref_able = (self_ty.starts_with("&std::option::Option") - || self_ty.starts_with("&std::result::Result") - || self_ty.starts_with("std::option::Option") - || self_ty.starts_with("std::result::Result")) - && (name == sym::map || name == sym::and_then); + let is_as_ref_able = match self_ty.peel_refs().kind() { + ty::Adt(def, _) => { + (self.tcx.is_diagnostic_item(sym::Option, def.did()) + || self.tcx.is_diagnostic_item(sym::Result, def.did())) + && (name == sym::map || name == sym::and_then) + } + _ => false, + }; match (is_as_ref_able, self.sess().source_map().span_to_snippet(method_path.ident.span)) { (true, Ok(src)) => { let suggestion = format!("as_ref().{}", src); @@ -792,7 +794,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { _ if is_range_literal(expr) => true, _ => false, }; - let sugg_expr = if needs_parens { format!("({src})") } else { src }; if let Some(sugg) = self.can_use_as_ref(expr) { return Some(( @@ -820,6 +821,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } + let sugg_expr = if needs_parens { format!("({src})") } else { src }; return Some(match mutability { hir::Mutability::Mut => ( sp, diff --git a/library/core/src/ffi/c_str.rs b/library/core/src/ffi/c_str.rs index 82e63a7fe1ddb..d8b8ac4d8710b 100644 --- a/library/core/src/ffi/c_str.rs +++ b/library/core/src/ffi/c_str.rs @@ -387,6 +387,7 @@ impl CStr { #[rustc_const_stable(feature = "const_cstr_unchecked", since = "1.59.0")] #[rustc_allow_const_fn_unstable(const_eval_select)] pub const unsafe fn from_bytes_with_nul_unchecked(bytes: &[u8]) -> &CStr { + #[inline] fn rt_impl(bytes: &[u8]) -> &CStr { // Chance at catching some UB at runtime with debug builds. debug_assert!(!bytes.is_empty() && bytes[bytes.len() - 1] == 0); diff --git a/library/core/src/time.rs b/library/core/src/time.rs index 2c57569b5aa53..153dc4dbb0835 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -321,8 +321,8 @@ impl Duration { /// To determine the total number of seconds represented by the `Duration` /// including the fractional part, use [`as_secs_f64`] or [`as_secs_f32`] /// - /// [`as_secs_f32`]: Duration::as_secs_f64 - /// [`as_secs_f64`]: Duration::as_secs_f32 + /// [`as_secs_f64`]: Duration::as_secs_f64 + /// [`as_secs_f32`]: Duration::as_secs_f32 /// [`subsec_nanos`]: Duration::subsec_nanos #[stable(feature = "duration", since = "1.3.0")] #[rustc_const_stable(feature = "duration_consts", since = "1.32.0")] diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index f84de73297acb..a242243aaafa9 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -1631,14 +1631,12 @@ fn chmod(_path: &Path, _perms: u32) {} /// If code is not 0 (successful exit status), exit status is 101 (rust's default error code.) /// If the test is running and code is an error code, it will cause a panic. fn detail_exit(code: i32) -> ! { - // Successful exit - if code == 0 { - std::process::exit(0); - } - if cfg!(test) { + // if in test and code is an error code, panic with staus code provided + if cfg!(test) && code != 0 { panic!("status code: {}", code); } else { - std::panic::resume_unwind(Box::new(code)); + //otherwise,exit with provided status code + std::process::exit(code); } } diff --git a/src/test/rustdoc/intra-doc/assoc-reexport-super.rs b/src/test/rustdoc/intra-doc/assoc-reexport-super.rs new file mode 100644 index 0000000000000..a7bc1c6a29f51 --- /dev/null +++ b/src/test/rustdoc/intra-doc/assoc-reexport-super.rs @@ -0,0 +1,20 @@ +// Regression test for #93205 + +#![crate_name = "foo"] + +mod generated { + pub struct MyNewType; + impl MyNewType { + pub const FOO: Self = Self; + } +} + +pub use generated::MyNewType; + +mod prelude { + impl super::MyNewType { + /// An alias for [`Self::FOO`]. + // @has 'foo/struct.MyNewType.html' '//a[@href="struct.MyNewType.html#associatedconstant.FOO"]' 'Self::FOO' + pub const FOO2: Self = Self::FOO; + } +} diff --git a/src/test/ui/const-generics/issues/issue-100313.rs b/src/test/ui/const-generics/issues/issue-100313.rs new file mode 100644 index 0000000000000..4e9d3626aa89c --- /dev/null +++ b/src/test/ui/const-generics/issues/issue-100313.rs @@ -0,0 +1,21 @@ +#![allow(incomplete_features)] +#![feature(const_mut_refs)] +#![feature(adt_const_params)] + +struct T; + +impl T { + const fn set_false(&self) { + unsafe { + *(B as *const bool as *mut bool) = false; + //~^ ERROR evaluation of constant value failed [E0080] + } + } +} + +const _: () = { + let x = T::<{&true}>; + x.set_false(); +}; + +fn main() {} diff --git a/src/test/ui/const-generics/issues/issue-100313.stderr b/src/test/ui/const-generics/issues/issue-100313.stderr new file mode 100644 index 0000000000000..f3ce357c2bb8d --- /dev/null +++ b/src/test/ui/const-generics/issues/issue-100313.stderr @@ -0,0 +1,15 @@ +error[E0080]: evaluation of constant value failed + --> $DIR/issue-100313.rs:10:13 + | +LL | *(B as *const bool as *mut bool) = false; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | + | writing to alloc7 which is read-only + | inside `T::<&true>::set_false` at $DIR/issue-100313.rs:10:13 +... +LL | x.set_false(); + | ------------- inside `_` at $DIR/issue-100313.rs:18:5 + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/suggestions/as-ref.rs b/src/test/ui/suggestions/as-ref.rs index 46d9461538c78..a053534418589 100644 --- a/src/test/ui/suggestions/as-ref.rs +++ b/src/test/ui/suggestions/as-ref.rs @@ -17,4 +17,11 @@ fn main() { // note: do not suggest because of `E: usize` let x: &Result = &Ok(3); let y: Result<&usize, usize> = x; //~ ERROR mismatched types [E0308] + + let multiple_ref_opt = &&Some(Foo); + multiple_ref_opt.map(|arg| takes_ref(arg)); //~ ERROR mismatched types [E0308] + multiple_ref_opt.and_then(|arg| Some(takes_ref(arg))); //~ ERROR mismatched types [E0308] + let multiple_ref_result = &&Ok(Foo); + multiple_ref_result.map(|arg| takes_ref(arg)); //~ ERROR mismatched types [E0308] + multiple_ref_result.and_then(|arg| Ok(takes_ref(arg))); //~ ERROR mismatched types [E0308] } diff --git a/src/test/ui/suggestions/as-ref.stderr b/src/test/ui/suggestions/as-ref.stderr index 1efd1b317b7da..deafa9f48d459 100644 --- a/src/test/ui/suggestions/as-ref.stderr +++ b/src/test/ui/suggestions/as-ref.stderr @@ -97,6 +97,66 @@ LL | let y: Result<&usize, usize> = x; = note: expected enum `Result<&usize, usize>` found reference `&Result` -error: aborting due to 7 previous errors +error[E0308]: mismatched types + --> $DIR/as-ref.rs:22:42 + | +LL | multiple_ref_opt.map(|arg| takes_ref(arg)); + | --- --------- ^^^ expected `&Foo`, found struct `Foo` + | | | + | | arguments to this function are incorrect + | help: consider using `as_ref` instead: `as_ref().map` + | +note: function defined here + --> $DIR/as-ref.rs:3:4 + | +LL | fn takes_ref(_: &Foo) {} + | ^^^^^^^^^ ------- + +error[E0308]: mismatched types + --> $DIR/as-ref.rs:23:52 + | +LL | multiple_ref_opt.and_then(|arg| Some(takes_ref(arg))); + | -------- --------- ^^^ expected `&Foo`, found struct `Foo` + | | | + | | arguments to this function are incorrect + | help: consider using `as_ref` instead: `as_ref().and_then` + | +note: function defined here + --> $DIR/as-ref.rs:3:4 + | +LL | fn takes_ref(_: &Foo) {} + | ^^^^^^^^^ ------- + +error[E0308]: mismatched types + --> $DIR/as-ref.rs:25:45 + | +LL | multiple_ref_result.map(|arg| takes_ref(arg)); + | --- --------- ^^^ expected `&Foo`, found struct `Foo` + | | | + | | arguments to this function are incorrect + | help: consider using `as_ref` instead: `as_ref().map` + | +note: function defined here + --> $DIR/as-ref.rs:3:4 + | +LL | fn takes_ref(_: &Foo) {} + | ^^^^^^^^^ ------- + +error[E0308]: mismatched types + --> $DIR/as-ref.rs:26:53 + | +LL | multiple_ref_result.and_then(|arg| Ok(takes_ref(arg))); + | -------- --------- ^^^ expected `&Foo`, found struct `Foo` + | | | + | | arguments to this function are incorrect + | help: consider using `as_ref` instead: `as_ref().and_then` + | +note: function defined here + --> $DIR/as-ref.rs:3:4 + | +LL | fn takes_ref(_: &Foo) {} + | ^^^^^^^^^ ------- + +error: aborting due to 11 previous errors For more information about this error, try `rustc --explain E0308`.